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/* |
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vpn.h -- header for vpn.C |
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Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
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|
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This file is part of GVPE. |
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|
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GVPE is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with gvpe; if not, write to the Free Software |
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Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#ifndef GVPE_VPN_H__ |
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#define GVPE_VPN_H__ |
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|
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#include "global.h" |
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#include "conf.h" |
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#include "device.h" |
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#include "connection.h" |
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|
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struct vpn |
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{ |
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int udpv4_fd, tcpv4_fd, ipv4_fd, icmpv4_fd, dnsv4_fd; |
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int udpv4_tos, tcpv4_tos, ipv4_tos, icmpv4_tos, dnsv4_tos; |
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|
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int events; |
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|
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enum { |
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EVENT_RECONNECT = 1, |
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EVENT_SHUTDOWN = 2, |
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}; |
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|
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void event_cb (ev::timer &w, int revents); ev::timer event; |
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|
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tap_device *tap; |
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|
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typedef vector<connection *> conns_vector; |
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conns_vector conns; |
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|
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connection *find_router (); |
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connection *find_forwarder (); |
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|
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void reconnect_all (); |
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void shutdown_all (); |
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|
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void tap_ev (ev::io &w, int revents); ev::io tap_ev_watcher; |
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void inject_data_packet (tap_packet *pkt, int dst); |
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|
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void send_connect_request (int id); |
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|
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void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi); |
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bool send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0); |
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|
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#if ENABLE_TCP |
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void tcpv4_ev (ev::io &w, int revents); ev::io tcpv4_ev_watcher; |
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bool send_tcpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
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#endif |
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|
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#if ENABLE_ICMP |
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void icmpv4_ev (ev::io &w, int revents); ev::io icmpv4_ev_watcher; |
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bool send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
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#endif |
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|
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#if ENABLE_DNS |
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vector<struct dns_snd *> dns_sndpq; |
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sockinfo dns_forwarder; |
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|
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void dnsv4_ev (ev::io &w, int revents); ev::io dnsv4_ev_watcher; |
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void dnsv4_server (struct dns_packet &pkt); |
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void dnsv4_client (struct dns_packet &pkt); |
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|
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bool send_dnsv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
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#endif |
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|
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void udpv4_ev (ev::io &w, int revents); ev::io udpv4_ev_watcher; |
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bool send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
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|
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void ipv4_ev (ev::io &w, int revents); ev::io ipv4_ev_watcher; |
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bool send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
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|
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vpn (); |
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~vpn (); |
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|
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int setup (); |
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|
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void dump_status (); |
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|
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void script_init_env (); |
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const char *script_if_init (); |
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const char *script_if_up (); |
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}; |
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|
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extern vpn network; // THE vpn |
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|
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#endif |
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|
